| Part Numbers | Manufacturer Name | Datasheet | Voltage - Zener (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Reverse Leakage Current@ Vr | Forward Voltage (Vf) (Max) @ If | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MMBZ5249B | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 350mW | 23 Ohm | 100nA @ 14V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | TO-236-3, SC-59, SOT-23-3 | |
| 1N5249BTR | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| MMSZ5249B | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| CZRB3019-G | COMCHIP TECHNOLOGY CORP | 19V | ±5% | 3W | 7 Ohm | 500nA @ 14.4V | 1.5V @ 200mA | - | Surface Mount | DO-214AA, SMB | |
| 1N5249B-T | DIODES INC | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.1V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| ZMM5249B-7 | DIODES INC | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.5V @ 200mA | -65°C ~ 175°C | Surface Mount | DO-213AC | |
| DDZ19-7 | DIODES INC | 19V | ±3% | 500mW | 28 Ohm | 50nA @ 15V | 900mV @ 10mA | -65°C ~ 150°C | Surface Mount | SOD-123 | |
| 1N5249B | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N5249B_T50A | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N5249B_T50R | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial |
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